Logarithms please help!

The value of (-5/6)^4 ÷ (-5/6)^3 = _______
1)-5/6
2)-5/4
3)-3/4
4)-4/2
on the first 2 problems, the spaces between numbers means that like... log4 5 is log small low 4 big 5
which i think the 4 would be the base? idk..

Just need help with these, they are on some pre-test problems and i have no idea how to do them.